includes/api/ApiQueryBlocks.php

   1 <?php
   2 /**
   3  * API for MediaWiki 1.8+
   4  *
   5  * Created on Sep 10, 2007
   6  *
   7  * Copyright © 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26
  27 if ( !defined( 'MEDIAWIKI' ) ) {
  28         // Eclipse helper - will be ignored in production
  29         require_once( 'ApiQueryBase.php' );
  30 }
  31
  32 /**
  33  * Query module to enumerate all available pages.
  34  *
  35  * @ingroup API
  36  */
  37 class ApiQueryBlocks extends ApiQueryBase {
  38
  39         var $users;
  40
  41         public function __construct( $query, $moduleName ) {
  42                 parent::__construct( $query, $moduleName, 'bk' );
  43         }
  44
  45         public function execute() {
  46                 global $wgUser;
  47
  48                 $params = $this->extractRequestParams();
  49                 if ( isset( $params['users'] ) && isset( $params['ip'] ) ) {
  50                         $this->dieUsage( 'bkusers and bkip cannot be used together', 'usersandip' );
  51                 }
  52
  53                 $prop = array_flip( $params['prop'] );
  54                 $fld_id = isset( $prop['id'] );
  55                 $fld_user = isset( $prop['user'] );
  56                 $fld_by = isset( $prop['by'] );
  57                 $fld_timestamp = isset( $prop['timestamp'] );
  58                 $fld_expiry = isset( $prop['expiry'] );
  59                 $fld_reason = isset( $prop['reason'] );
  60                 $fld_range = isset( $prop['range'] );
  61                 $fld_flags = isset( $prop['flags'] );
  62
  63                 $result = $this->getResult();
  64
  65                 $this->addTables( 'ipblocks' );
  66                 $this->addFields( 'ipb_auto' );
  67
  68                 if ( $fld_id ) {
  69                         $this->addFields( 'ipb_id' );
  70                 }
  71                 if ( $fld_user ) {
  72                         $this->addFields( array( 'ipb_address', 'ipb_user' ) );
  73                 }
  74                 if ( $fld_by ) {
  75                         $this->addTables( 'user' );
  76                         $this->addFields( array( 'ipb_by', 'user_name' ) );
  77                         $this->addWhere( 'user_id = ipb_by' );
  78                 }
  79                 if ( $fld_timestamp ) {
  80                         $this->addFields( 'ipb_timestamp' );
  81                 }
  82                 if ( $fld_expiry ) {
  83                         $this->addFields( 'ipb_expiry' );
  84                 }
  85                 if ( $fld_reason ) {
  86                         $this->addFields( 'ipb_reason' );
  87                 }
  88                 if ( $fld_range ) {
  89                         $this->addFields( array( 'ipb_range_start', 'ipb_range_end' ) );
  90                 }
  91                 if ( $fld_flags ) {
  92                         $this->addFields( array( 'ipb_anon_only', 'ipb_create_account', 'ipb_enable_autoblock', 'ipb_block_email', 'ipb_deleted', 'ipb_allow_usertalk' ) );
  93                 }
  94
  95                 $this->addOption( 'LIMIT', $params['limit'] + 1 );
  96                 $this->addWhereRange( 'ipb_timestamp', $params['dir'], $params['start'], $params['end'] );
  97                 if ( isset( $params['ids'] ) ) {
  98                         $this->addWhereFld( 'ipb_id', $params['ids'] );
  99                 }
 100                 if ( isset( $params['users'] ) ) {
 101                         foreach ( (array)$params['users'] as $u ) {
 102                                 $this->prepareUsername( $u );
 103                         }
 104                         $this->addWhereFld( 'ipb_address', $this->usernames );
 105                         $this->addWhereFld( 'ipb_auto', 0 );
 106                 }
 107                 if ( isset( $params['ip'] ) ) {
 108                         list( $ip, $range ) = IP::parseCIDR( $params['ip'] );
 109                         if ( $ip && $range ) {
 110                                 // We got a CIDR range
 111                                 if ( $range < 16 )
 112                                         $this->dieUsage( 'CIDR ranges broader than /16 are not accepted', 'cidrtoobroad' );
 113                                 $lower = wfBaseConvert( $ip, 10, 16, 8, false );
 114                                 $upper = wfBaseConvert( $ip + pow( 2, 32 - $range ) - 1, 10, 16, 8, false );
 115                         } else {
 116                                 $lower = $upper = IP::toHex( $params['ip'] );
 117                         }
 118                         $prefix = substr( $lower, 0, 4 );
 119
 120                         $db = $this->getDB();
 121                         $this->addWhere( array(
 122                                 'ipb_range_start' . $db->buildLike( $prefix, $db->anyString() ),
 123                                 "ipb_range_start <= '$lower'",
 124                                 "ipb_range_end >= '$upper'",
 125                                 'ipb_auto' => 0
 126                         ) );
 127                 }
 128
 129                 if ( !$wgUser->isAllowed( 'hideuser' ) ) {
 130                         $this->addWhereFld( 'ipb_deleted', 0 );
 131                 }
 132
 133                 // Purge expired entries on one in every 10 queries
 134                 if ( !mt_rand( 0, 10 ) ) {
 135                         Block::purgeExpired();
 136                 }
 137
 138                 $res = $this->select( __METHOD__ );
 139
 140                 $count = 0;
 141                 foreach ( $res as $row ) {
 142                         if ( ++$count > $params['limit'] ) {
 143                                 // We've had enough
 144                                 $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->ipb_timestamp ) );
 145                                 break;
 146                         }
 147                         $block = array();
 148                         if ( $fld_id ) {
 149                                 $block['id'] = $row->ipb_id;
 150                         }
 151                         if ( $fld_user && !$row->ipb_auto ) {
 152                                 $block['user'] = $row->ipb_address;
 153                         }
 154                         if ( $fld_by ) {
 155                                 $block['by'] = $row->user_name;
 156                         }
 157                         if ( $fld_timestamp ) {
 158                                 $block['timestamp'] = wfTimestamp( TS_ISO_8601, $row->ipb_timestamp );
 159                         }
 160                         if ( $fld_expiry ) {
 161                                 $block['expiry'] = Block::decodeExpiry( $row->ipb_expiry, TS_ISO_8601 );
 162                         }
 163                         if ( $fld_reason ) {
 164                                 $block['reason'] = $row->ipb_reason;
 165                         }
 166                         if ( $fld_range && !$row->ipb_auto ) {
 167                                 $block['rangestart'] = IP::hexToQuad( $row->ipb_range_start );
 168                                 $block['rangeend'] = IP::hexToQuad( $row->ipb_range_end );
 169                         }
 170                         if ( $fld_flags ) {
 171                                 // For clarity, these flags use the same names as their action=block counterparts
 172                                 if ( $row->ipb_auto ) {
 173                                         $block['automatic'] = '';
 174                                 }
 175                                 if ( $row->ipb_anon_only ) {
 176                                         $block['anononly'] = '';
 177                                 }
 178                                 if ( $row->ipb_create_account ) {
 179                                         $block['nocreate'] = '';
 180                                 }
 181                                 if ( $row->ipb_enable_autoblock ) {
 182                                         $block['autoblock'] = '';
 183                                 }
 184                                 if ( $row->ipb_block_email ) {
 185                                         $block['noemail'] = '';
 186                                 }
 187                                 if ( $row->ipb_deleted ) {
 188                                         $block['hidden'] = '';
 189                                 }
 190                                 if ( $row->ipb_allow_usertalk ) {
 191                                         $block['allowusertalk'] = '';
 192                                 }
 193                         }
 194                         $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $block );
 195                         if ( !$fit ) {
 196                                 $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->ipb_timestamp ) );
 197                                 break;
 198                         }
 199                 }
 200                 $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'block' );
 201         }
 202
 203         protected function prepareUsername( $user ) {
 204                 if ( !$user ) {
 205                         $this->dieUsage( 'User parameter may not be empty', 'param_user' );
 206                 }
 207                 $name = User::isIP( $user )
 208                         ? $user
 209                         : User::getCanonicalName( $user, 'valid' );
 210                 if ( $name === false ) {
 211                         $this->dieUsage( "User name {$user} is not valid", 'param_user' );
 212                 }
 213                 $this->usernames[] = $name;
 214         }
 215
 216         public function getAllowedParams() {
 217                 return array(
 218                         'start' => array(
 219                                 ApiBase::PARAM_TYPE => 'timestamp'
 220                         ),
 221                         'end' => array(
 222                                 ApiBase::PARAM_TYPE => 'timestamp',
 223                         ),
 224                         'dir' => array(
 225                                 ApiBase::PARAM_TYPE => array(
 226                                         'newer',
 227                                         'older'
 228                                 ),
 229                                 ApiBase::PARAM_DFLT => 'older'
 230                         ),
 231                         'ids' => array(
 232                                 ApiBase::PARAM_TYPE => 'integer',
 233                                 ApiBase::PARAM_ISMULTI => true
 234                         ),
 235                         'users' => array(
 236                                 ApiBase::PARAM_ISMULTI => true
 237                         ),
 238                         'ip' => null,
 239                         'limit' => array(
 240                                 ApiBase::PARAM_DFLT => 10,
 241                                 ApiBase::PARAM_TYPE => 'limit',
 242                                 ApiBase::PARAM_MIN => 1,
 243                                 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
 244                                 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
 245                         ),
 246                         'prop' => array(
 247                                 ApiBase::PARAM_DFLT => 'id|user|by|timestamp|expiry|reason|flags',
 248                                 ApiBase::PARAM_TYPE => array(
 249                                         'id',
 250                                         'user',
 251                                         'by',
 252                                         'timestamp',
 253                                         'expiry',
 254                                         'reason',
 255                                         'range',
 256                                         'flags'
 257                                 ),
 258                                 ApiBase::PARAM_ISMULTI => true
 259                         )
 260                 );
 261         }
 262
 263         public function getParamDescription() {
 264                 return array(
 265                         'start' => 'The timestamp to start enumerating from',
 266                         'end' => 'The timestamp to stop enumerating at',
 267                         'dir' => 'The direction in which to enumerate',
 268                         'ids' => 'Pipe-separated list of block IDs to list (optional)',
 269                         'users' => 'Pipe-separated list of users to search for (optional)',
 270                         'ip' => array(  'Get all blocks applying to this IP or CIDR range, including range blocks.',
 271                                         'Cannot be used together with bkusers. CIDR ranges broader than /16 are not accepted' ),
 272                         'limit' => 'The maximum amount of blocks to list',
 273                         'prop' => array(
 274                                 'Which properties to get',
 275                                 ' id         - Adds the id of the block',
 276                                 ' user       - Adds the username of the blocked user',
 277                                 ' by         - Adds the username of the blocking admin',
 278                                 ' timestamp  - Adds the timestamp of when the block was given',
 279                                 ' expiry     - Adds the timestamp of when the block expires',
 280                                 ' reason     - Adds the reason given for the block',
 281                                 ' range      - Adds the range of IPs affected by the block',
 282                                 ' flags      - Tags the ban with (autoblock, anononly, etc)',
 283                         ),
 284                 );
 285         }
 286
 287         public function getDescription() {
 288                 return 'List all blocked users and IP addresses';
 289         }
 290
 291         public function getPossibleErrors() {
 292                 return array_merge( parent::getPossibleErrors(), array(
 293                         array( 'code' => 'usersandip', 'info' => 'bkusers and bkip cannot be used together' ),
 294                         array( 'code' => 'cidrtoobroad', 'info' => 'CIDR ranges broader than /16 are not accepted' ),
 295                         array( 'code' => 'param_user', 'info' => 'User parameter may not be empty' ),
 296                         array( 'code' => 'param_user', 'info' => 'User name user is not valid' ),
 297                 ) );
 298         }
 299
 300         protected function getExamples() {
 301                 return array(
 302                         'api.php?action=query&list=blocks',
 303                         'api.php?action=query&list=blocks&bkusers=Alice|Bob'
 304                 );
 305         }
 306
 307         public function getVersion() {
 308                 return __CLASS__ . ': $Id$';
 309         }
 310 }